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Finding the Fourth Proportional to 404,382.07, 606,650.86 and 155,044.63

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Solution

The fourth proportional to 404,382.07, 606,650.86 and 155,044.63 is: 232,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,382.07 : 606,650.86 = 155,044.63 : x
  2. Step 2: Convert to fraction form
    404,382.07/606,650.86 = 155,044.63/x
  3. Step 3: Cross multiply
    404,382.07x = 606,650.86 × 155,044.63
  4. Step 4: Simplify right side
    404,382.07x = 94,057,955,094.63
  5. Step 5: Solve for x
    x = 94,057,955,094.63/404,382.07
  6. Step 6: Final answer
    x = 232,596.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.